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Why did Micron Technology (MU) stock go down on Oct 16, 2026?

Updated ยท Data: Nasdaq daily prices through Oct 16, 2026 close; SEC EDGAR

Quick answer

Micron Technology (MU) fell 5.6% to $878.84 on Friday, Oct 16, 2026, on 1.1x its 50-day average volume. The most recent SEC filing before the close was a Form 4 filed Oct 15, 2026.

Close (Oct 16, 2026)$878.84
Change-5.6%
Volume vs 50-day avg1.1x
From 52-week high-30.0%

What the data shows about the move

MU move in numbers

MetricValue
Close$878.84
Previous close$931.24
Change ($)-$52.40
Change (%)-5.63%
Day high / low$907.50 / $875.00
Volume30,514,620
50-day average volume27,150,662
52-week high / low$1,255.00 / $192.40
Above 52-week low+356.8%
50-day average price$983.12
200-day average price$717.84

Last 10 sessions

DateCloseChangeVolume
Oct 16, 2026$878.84-5.63%30,514,620
Oct 15, 2026$931.24+1.87%39,095,130
Oct 14, 2026$914.13-4.10%27,843,710
Oct 13, 2026$953.19-3.62%29,227,180
Oct 12, 2026$989.04-3.88%23,983,750
Oct 9, 2026$1,029.00-0.66%19,918,870
Oct 8, 2026$1,035.84-4.79%29,910,720
Oct 7, 2026$1,088.00+4.06%30,859,500
Oct 6, 2026$1,045.56-1.73%21,781,240
Oct 5, 2026$1,063.96-1.02%18,261,700

Peers in Semiconductors

CompanyClose Oct 16, 2026Change
SKHY SK hynix$136.49-6.58%
AMD Advanced Micro Devices$528.75-5.95%
AVGO Broadcom$328.75-4.52%

Bull vs bear points from the data

Bull points

  • Above its 200-day average ($717.84), the long-term trend line.

Bear points

  • Closed below its 50-day average price ($983.12).
  • Down 14.6% over the last five sessions.

Points are computed from price, volume and filing data only; they are not forecasts or recommendations.

Latest SEC filings for MU

FormFiledDetailLink
4Oct 15, 2026PRIMARY DOCUMENTEDGAR
4Oct 15, 2026PRIMARY DOCUMENTEDGAR
4Oct 15, 2026PRIMARY DOCUMENTEDGAR
4Oct 15, 2026PRIMARY DOCUMENTEDGAR
4Oct 15, 2026PRIMARY DOCUMENTEDGAR
4Oct 15, 2026PRIMARY DOCUMENTEDGAR

For the full picture, including financials from SEC filings and insider trades, see our MU stock analysis.

Sources

  1. SEC EDGAR: Micron Technology Form 4 filing index (filed Oct 15, 2026)
  2. SEC EDGAR: Micron Technology Form 4 filing index (filed Oct 15, 2026)
  3. SEC EDGAR: Micron Technology Form 4 filing index (filed Oct 15, 2026)
  4. SEC EDGAR: Micron Technology Form 4 filing index (filed Oct 15, 2026)
  5. SEC EDGAR: Micron Technology Form 4 filing index (filed Oct 15, 2026)
  6. SEC EDGAR: Micron Technology Form 4 filing index (filed Oct 15, 2026)
  7. Nasdaq: MU historical prices and volume (daily data through Oct 16, 2026 close, retrieved Oct 19, 2026)
  8. Nasdaq: SKHY historical prices (peer) (Oct 16, 2026 close)
  9. Nasdaq: AMD historical prices (peer) (Oct 16, 2026 close)
  10. Nasdaq: AVGO historical prices (peer) (Oct 16, 2026 close)
  11. Nasdaq: MU earnings date (retrieved Oct 19, 2026)